The Cartridge,overload Relief Valve, cataloged under National Stock Number 4820-01-187-7009, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cnh Industrial America Llc Dba Cnh America. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Cartridge,overload Relief Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Cnh Industrial America Llc Dba Cnh America (CAGE 10988); Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (CAGE 09990) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-187-7009 |
| Primary Part Number | 278016A1 |
| Item Name | Cartridge,overload Relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 278016A1 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
| D146629 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
| 656878 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| Reference | Meaning |
|---|---|
| L32633 | D/9 Drawing number reference only Cnh Industrial America Llc Dba Cnh America |
| 656878 | C/1 Advisory reference — outside the item-of-supply concept Cnh Industrial America Llc Dba Cnh America |
NSN 4820-01-187-7009 is a Cartridge,overload Relief Valve, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-187-7009 has 3 manufacturer part numbers on file: 278016A1 (Cnh Industrial America Llc Dba Cnh America), D146629 (Cnh Industrial America Llc Dba Cnh America), 656878 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.